Home
Class 12
PHYSICS
A carrier wave is modulated by a number ...

A carrier wave is modulated by a number of sine waves with modulation indices 0.1, 0.2, 0.3. The total modulation index (m) of the wave is

A

0.6

B

0.2

C

`sqrt(0.14)`

D

`sqrt(0.07)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE (TV Antenna)|16 Videos
  • COMMUNICATION SYSTEMS

    AAKASH SERIES|Exercise EXERCISE-I (ASSERTION & REASON)|8 Videos
  • COMMUNICATION SYSTEM

    AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)|20 Videos
  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

Similar Questions

Explore conceptually related problems

If a message signal of frequency 10 kHz and peak voltage 12 V is used to modulate a carrier wave of frequency 1 MHz, the modulation lindex is 0.6. To make the modulation index 0.75, the carrier peak voltage should be

A carrier wave of peak voltage 12 volts is used to transmit a signal. If the modulation index is 75%, the peak voltage of the modulating signal is

A carrier wave of peak voltage 20 V is used to transmit a message signal. For getting a modulation index of 60% , the peak voltage of the modulating signal is